Tag: Needles

According to healthcare guidelines, a filter needle features a specialized 5-micron filter in its hub to trap contaminants, while a regular needle lacks this filtration mechanism entirely. This fundamental distinction dictates their different roles in safe medication preparation and administration, a critical process in pharmacology.

According to the National Harm Reduction Coalition, a properly administered injection into a vein (IV) should result in a flash of dark red, slow-moving blood when the plunger is pulled back. Missing this crucial sign may mean the needle has either completely missed the vein or, in a common complication known as a 'blown vein,' passed through it, leaving you to wonder: how do I know if I punctured a vein?.